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Page 30 OmniTek XR User Guide, Software Release 2.3
Closed Caption: Reader Settings
This page of the Engineering Settings control window caters for ‘Line 21’ captions sent
within video formats other than NTSC. In NTSC, these captions are required to be
transmitted on Line 21. When delivered in a video format other than NTSC, the captions
can be on any line between 7 and 23.